<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<div id="div1"><h2>使用 jQuery AJAX 修改文本内容</h2></div>
	<button>获取其他内容</button>
</body>
<script src="jquery-1.11.1.js"></script>
<script>
	$(document).ready(function(){
 		 $("button").click(function(){
   			 $.ajax({url:"text.txt",success:function(result){
      			$("#div1").html(result);
   			 }});
  		});
	});
</script>
</html>